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Groundsmaster 5900/5910 Hydraulic SystemPage 4 -- 109
Valve Cartridge Service (Fig. 81)
The control manifolds for the three cutting deck sections
are very similar. The manifold for the right and left side
decks include an orifice (item 8) that is not used on the
front deck manifold. Also, relief valve (RV1) on the right
side manifold is set to a lower pressure (2000 PSI/138
bar) than thereliefvalve (RV1) pressure on the frontand
left side manifold (3000 PSI/207 bar). Note: When ser-
vicing the deck control manifolds, DO NOT interchange
parts from one control manifold to another.
For solenoid and control valve service procedures, see
Hydraulic Traction Control Manifold Service in this sec-
tion. Refer to Figure 81 for PTO control manifold car-
tridge valve and plug installation torque.
Hydraulic
System